Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 15.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2022   18:22:48   (  72.16, -96.69) 07/16/2022   18:23:59  (  72.13, -96.38)   11.03                71
 07/16/2022   19:13:28   ( -71.96,  71.01) 07/16/2022   19:13:30  ( -71.95,  70.95)    2.21                 2
 07/16/2022   20:04:11   (  71.73,-121.26) 07/16/2022   20:02:58  (  71.81,-121.66)   16.55                73
 07/19/2022   09:49:50   ( -72.15,-148.41) 07/19/2022   09:51:02  ( -72.11,-148.17)    9.09                72
 07/19/2022   10:40:33   (  71.97,  19.23) 07/19/2022   10:40:29  (  71.96,  19.21)    1.80                 4
 07/19/2022   11:31:13   ( -71.77,-173.07) 07/19/2022   11:30:00  ( -71.79,-173.45)   13.28                73
 07/22/2022   01:16:53   (  72.06, 160.01) 07/22/2022   01:18:02  (  72.04, 159.97)    2.63                69
 07/22/2022   02:07:35   ( -71.96, -32.48) 07/22/2022   02:07:31  ( -71.98, -32.50)    2.47                 4
 07/22/2022   02:58:14   (  71.53, 135.62) 07/22/2022   02:57:03  (  71.61, 134.51)   40.21                71
 07/24/2022   16:43:55   ( -72.05, 108.29) 07/24/2022   16:45:04  ( -72.06, 108.24)    1.81                69
 07/24/2022   17:34:41   (  71.99, -84.28) 07/24/2022   17:34:31  (  71.96, -84.29)    3.48                10
 07/24/2022   18:25:16   ( -71.53,  83.90) 07/24/2022   18:24:05  ( -71.63,  82.78)   41.03                71
 07/27/2022   08:11:01   (  72.09,  56.48) 07/27/2022   08:12:03  (  72.07,  56.52)    2.00                62
 07/27/2022   09:01:43   ( -71.98,-135.99) 07/27/2022   09:01:33  ( -71.96,-136.04)    2.10                10